Two students in a chemistry lab start a particular lab with 1.23 g of aluminum. They react it with excess sulfuric acid to produce aluminum sulfate. If they produce 3.00 g of aluminum sulfate what is their percent yield

14. many depressants reduce small muscle control, making it harder for a. you to steer b. your mind to consider complex problems c. the eye to scan, focus, or stay still d. the kidneys to filter alcohol out of the bloodstream

How will the volume of a gas be affected if the pressure is tripled, but the temperature remains the same?

The comparison of the number of atoms in a copper coin the size of a penny with the number of people on earth is made to illustrate which of the following? a. that atoms are indivisible b. that atoms are very small c. that atoms are very large d. that in a copper penny, there is one atom for every person on earth